Most people begin to open their pool in the middle of April to the end of May.
By May 31st, most everyone’s pool is open to take advantage of Memorial Day holiday weekend.
I would suggest that if you have a mesh cover on your pool, open it in Early April to avoid the chance of getting algae. If you wait to the end of May, you will have a green pool (pictured below) and it will take a lot of time and money to get it clear again. The kids are not going to be happy either.
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